Recognised as Colour

#3D1781

#3D1781
Violet
Dark
Nearest: Indigo

#3D1781 is a violet with RGB values 61, 23, 129 and HSL 262°, 70%, 30%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#3D1781#3D1781

HEX#3D1781

RGBrgb(61, 23, 129)

RGB (0–1)0.2392, 0.0902, 0.5059

RGB percentages23.9%, 9%, 50.6%

HSLhsl(261.5, 69.7%, 29.8%)

HSV / HSBhsv(261.5, 82.2%, 50.6%)

CMYK52.7%, 82.2%, 0%, 49.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,003,713

CSS custom property--colour: #3D1781;

Brightness & contrast

Relative luminance0.0319WCAG 2.x, 0 is black and 1 is white

Perceived brightness57.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.82:1

Contrast with white12.82:1WCAG normal text: AAA

Contrast with black1.64:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#C2E87E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003484no red cones; affects about 1% of men; ΔE 23.7 from the original

Deuteranopia#00307Fno green cones; the most common form, about 1% of men; ΔE 22.9 from the original

Tritanopia#25364Cno blue cones; rare, and affects men and women equally; ΔE 56.1 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text12.82:1WCAG large text: AAA

Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Indigo · ΔE 9.1 Midnight blue · ΔE 12.3 Rebecca purple · ΔE 13.1 Navy · ΔE 15.5 Dark blue · ΔE 19.2 Dark slateblue · ΔE 21.9

Nearest named CSS colourIndigo (#4B0082)ΔE 9.14, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#5B8117

Analogous#172681, #721781

Triadic#813D17, #17813D

Split complementary#817217, #268117

Tetradic#811726, #5B8117, #178172

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#A37CE8

Lighter +30%#8451E0

Lighter +20%#6626D8

Lighter +10%#511FAC

Darker −10%#290F56

Darker −20%#14082A

Darker −30%#000000

Darker −40%#000000

More saturated +25%#380494

Less saturated −25%#422A6E

Channel breakdown

R61

G23

B129

Red61 (23.9%)

Green23 (9%)

Blue129 (50.6%)

Hue261.51°

Saturation (HSL)69.74%

Lightness29.8%

Dominant channelBlue

Hex per channelR 3D · G 17 · B 81

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#3D1781

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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